在用户控件中执行JavaScript

I'm trying to create an ASP.NET user control that will load a specified RSS feed given the feed's URL. Ideally I wanted to keep everything wrapped up in the user control so that it can simply be put into a page, set the feed URL and be done with it. I'm using jQuery AJAX to keep the page more responsive. Here's the barest of skeletons I've started with:I'm trying to create an ASP.NET user control th